Advertisements
Advertisements
प्रश्न
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Tollen’s reagent
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Answer in brief.
Observe the following equation of reaction of Tollens' reagent with aldehyde. How do we know that a redox reaction has taken place? Explain.
\[\ce{R-CHO + 2Ag(NH_{3})^{+}_{2} + OH^{-}->[\triangle] R-CO{O}^{-} + 2Ag↓ + 4NH3 + 2H2O}\]
Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.
Write another name of disproportionation reaction?
Benzaldehyde gives all tests positive EXCEPT ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{.................}\ce{R}\phantom{..}\ce{H}\phantom{................}\\ \phantom{...}\backslash\phantom{..................}\backslash/\phantom{..........}\phantom{.......}\\ \ce{C = O ->[H2NNH2][KOH/glycol] C + N2 + H2O}\\ \phantom{}/\phantom{............}\phantom{.......}/\phantom{}\backslash\phantom{...............}\\ \phantom{}\ce{R}\phantom{..................}\ce{R}\phantom{..}\ce{H}\phantom{...............} \end{array}\]
Reaction is called ____________.
Which of the following will give positive iodoform test?
Which of the following is a Wolf - Kishner reduction?
Which of the following reagents is used to avoid further oxidation of aldehydes?
The formation of cyanohydrin from acetone is an example of ____________.
Reaction of acetone with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
In which case, chiral carbon is not generated by reaction with HCN.
Which one of the following reaction is an example of disproportionation reaction.
Identify A, B and C.
How is the following conversion effected Hex-3-yne into hexan-3-one?
How is the following conversion effected phenyl methanal into benzoic acid?
How is the following conversion effected phenyl methanal into benzoin?
How will you prepare acetic anhydride from acetic acid?
How will you prepare acetamide from methyl cyanide?
How will you prepare lactic acid from ethanol?
Which one of the following reactions will not result in the formation of a carbon-carbon bond?
Which of the following compounds will undergo self-aldol condensation in the presence of cold dilute alkali?
What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?
Which of the following compounds does not undergo a haloform reaction?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
What is the action of the following regent on propanal?
Sodium Bisulphite
How will you prepare acetic anhydride from acetic acid.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
What is IUPAC name for
?
